[[Image:Tweaking.PNG|thumb|256px|A void has appeared due to Tweaking movements.]]

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'''Tweaking''' or '''Holepunching''' is a [[glitch]] in {{DPP}}, {{HGSS}}; in which specific fast movements can create a void on the map or otherwise have the game improperly load a map connection. It can also be used for tasks such as removing the Snorlax in Vermilion City in HeartGold and SoulSilver.

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==Mechanics==

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In Tweaking, the game unsuccessfully loads nearby map data which was previously not present on the screen. Within these games maps are broken up into 32x32 squares which are only visible at any one time. When players move out of this region, the next 32x32-tile square is loaded in order to replace the tiles two areas behind them. However, when a player is moving at relatively higher speeds and in specific patterns in between the points at which extra map data is loaded, the game will fail to <!--re-->load the map data properly.

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==Background==

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This glitch is very similar to the [[Elite Four door glitch]] which only existed in Japanese versions of {{DP}}, and was known by many fans as the "[[Darkrai and Shiemi glitch]]", as a slight bug in the map of Elite Four Aaron's room allowed the player to surf through the door and run across the [[Out of bounds|blank spaces]] which occupy other in-game maps.

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{{Bulbapedia2|Tweaking}}

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As a result of this, players could not only get to nearby areas, such as the Hall of Fame room, but with meticulous planning, they could also access Fullmoon Island and Flower Paradise in order to catch Darkrai and Shaymin (whose name was at that time not officially translated into English and was simply romanized by fans as 'Shiemi'). However, after the release of later versions of Pokémon Diamond and Pearl, Nintendo had fixed the Elite Four door glitch after many players complained about becoming stuck in "[[Out of bounds|the void]]."

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After a fairly long time period of disappointment from some fans of the Surf through Elite Four door glitch, a few months after English versions of Pokémon Diamond and Pearl, the Tweaking glitch was first discovered in areas such as Jubilife City and the route below Solaceon Town by performing the method described above.

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[[Image:Tweaking.PNG|270px|thumb|right|Through the use of the bicycle, a player takes advantage of how map data is loaded within Pokémon Diamond and Pearl from a successful attempt of forcing the game to reload map data incorrectly.]]

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When the Tweaking glitch has been performed successfully, the player will hopefully be able to travel through a black "abyss" (invisible abyss) when he/she enters a building from behind, so that he or she can access a desirable location. However, sometimes the player cannot access the correct abyss and occassionally the game may [[Game freeze|freeze]]. If the player wants to escape the void, however, they can use the moves Fly, Dig or Teleport if possible, enter a building or other warp.

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In Pokémon Diamond and Pearl, the term ''''Tweaking'''' or 'Holepunching' refers to when the game unsuccesfully loads nearby map data which was previously not present on the screen. Within these games maps are broken up into 32x32 squares which are only visible at any one time. When the player moves out of this region an extra nine squares are loaded at the edge of the screen in order to replace the older tiles. However, when the player is moving at relatively higher speeds in between the points at which extra map data is loaded the game will occassionally fail to reload the map data effectively.

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==Arceus==

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In January 2016, a method for discovering Arceus through a trick known as the "[[retire glitch]]" (named after a menu option that was only intended to be used in Pal Park) was discovered.

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This glitch is very similar to a much older glitch which only existed in older builds of the Japanese versions of Pokémon Diamond and Pearl which was known by many fans as the "[[Darkrai and Shiemi glitch]]", as a slight bug in the map of Elite Four Aaron's room allowed the player to surf through the door and run across the [[Out of bounds|blank space]] that occupy other in-game maps. As a result of this players could not only get to nearby areas such as the Hall of Fame room but with meticulous planning they could also access Fullmoon Island and Flower Paradise in order to catch Darkrai and Shaymin (whose name was at that time not officially translated into English and was simply romanised by fans as 'Shiemi'). However, after the release of later versions of Pokémon Diamond and Pearl Nintendo had fixed the [[Surf through Elite Four door Glitch]] after many players complained about becoming stuck in "[[Out of bounds|the void]]." After a fairly long time period of disappointment from some fans of the [[Surf through Elite Four door Glitch]] a few months after English versions of Pokémon Diamond and Pearl the Tweaking glitch was first discovered in areas such as Jubilife City and the route below Solaocean Town for when the player uses the bicycle in a small square along the middle of the map where the tiles at the bottom of the screen are reloaded.

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This trick works by running Hall of Origin's script 3 upon choosing to retire.

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When the Tweaking glitch has been performed successfully the player will hopefully be able to travel through a black or white "[[Out of bounds|void]]" so that he or she can access a desirable location, however sometimes the player cannot access the [[Out of bounds|void]] and occassionally the game may [[Game freeze|freeze]]. If the player wants to return the map data to normal however, they can either cross an area outside of the '[[Out of bounds|void]], use the moves Fly, Dig or Teleport if possible, enter a building or other warp, use the underground kit and move back to the main map interface, view another in-game interface such as the Pokémon screen presuming that the player is outside of the [[Out of bounds|void]] or simply turn the game off, presuming that the player has not saved the game after performing this glitch.

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Additionally segments of the Hall of Origin were originally available through the use of tweaking (without the retire trick) in the past, although none allowed the player to encounter Arceus.

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The Tweaking Glitch is harder to perform in the newer Generation IV games, namely Pokémon Platinum and Pokémon Heartgold and Soulsilver as Nintendo have decided to use a new engine for how the game manages map data. It is also notable that currently Arceus cannot be safely obtained through the use of both the Tweaking Glitch and the [[Surf through Elite Four door Glitch]] because the location where Arceus exists occupies an entirely different layer on the main map interface, however segments of the Hall of Origin have been found through the use of this glitch.

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==Void exploration==

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Tweaking and Void Exploring are often regarded as two completely different glitches because of the fact that graphics and collision data has to be activated after exploring the void for a player to access an area as it would appear in normal gameplay. Void Exploring by itself (if performed wisely) is safer than a complete tweaking run, as it is easier to ensure that the player does not trap his or herself so that he or she cannot escape and it is easier to ensure that the player does not save in an invalid map location or a map with no location data (such as the tentative Jubilife Gym), thus crashing the game with a black screen. When Void Exploring, crashes from invalid map data, called BSoDs (Black Screen of Death) are still possible by testing and <!--not -->using the Explorer Kit (this is not to be confused with a Blackout or Freeze, as a Freeze occurs when an unexecutable script is attempted to be executed, and a Blackout is a temporary absence of graphical data, caused by any number of things). If any [[flag]] is activated in-game via Tweaking, for example by first recieving the Pal Pad in a downstairs Pokémon Center area, this will also affect the player's relative map location in some way.

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==Requirements for the Tweaking Glitch (for a player who wants to catch Darkrai and Shaymin)==

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==Requirements for the Tweaking glitch (presuming that the player wants to catch Darkrai or Shaymin)==

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* A bicycle in order to tweak

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* Having gone underground at least once.

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* Use the Step Counter application for the Pokétch (highly recommended)

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* Any Pokémon with a move such as Fly, Dig or Teleport, because the player can become trapped unless they have already activated the event referring to that Pokémon (Darkrai/Shaymin), enter a warp, or save in Fake-Sinnoh.

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#A bicycle in order to activate '[[Out of bounds|the void]]'

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Note: If you are in the void and want to save, but you can't open the menu, '''don't''' use the Explorer Kit. If you can't open the menu, it's probably a bad idea to save.

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#An explorer kit in order to reload map data.

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#A Pokétch (highly reccommended)

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#A berry Pokétch in order to restore any [[Glitch|glitched]] graphics (reccommended)

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#A Step Counter application for the Pokétch (highly reccommended)

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#Any Pokémon with a move such as Fly, Dig or Teleport because the player becomes trapped unless they have already activated the event referring to that Pokémon (Darkrai/Shaymin).

Contents

Mechanics

In Tweaking, the game unsuccessfully loads nearby map data which was previously not present on the screen. Within these games maps are broken up into 32x32 squares which are only visible at any one time. When players move out of this region, the next 32x32-tile square is loaded in order to replace the tiles two areas behind them. However, when a player is moving at relatively higher speeds and in specific patterns in between the points at which extra map data is loaded, the game will fail to load the map data properly.

As a result of this, players could not only get to nearby areas, such as the Hall of Fame room, but with meticulous planning, they could also access Fullmoon Island and Flower Paradise in order to catch Darkrai and Shaymin (whose name was at that time not officially translated into English and was simply romanized by fans as 'Shiemi'). However, after the release of later versions of Pokémon Diamond and Pearl, Nintendo had fixed the Elite Four door glitch after many players complained about becoming stuck in "the void."

After a fairly long time period of disappointment from some fans of the Surf through Elite Four door glitch, a few months after English versions of Pokémon Diamond and Pearl, the Tweaking glitch was first discovered in areas such as Jubilife City and the route below Solaceon Town by performing the method described above.

When the Tweaking glitch has been performed successfully, the player will hopefully be able to travel through a black "abyss" (invisible abyss) when he/she enters a building from behind, so that he or she can access a desirable location. However, sometimes the player cannot access the correct abyss and occassionally the game may freeze. If the player wants to escape the void, however, they can use the moves Fly, Dig or Teleport if possible, enter a building or other warp.

Arceus

In January 2016, a method for discovering Arceus through a trick known as the "retire glitch" (named after a menu option that was only intended to be used in Pal Park) was discovered.

This trick works by running Hall of Origin's script 3 upon choosing to retire.

Additionally segments of the Hall of Origin were originally available through the use of tweaking (without the retire trick) in the past, although none allowed the player to encounter Arceus.

Void exploration

Tweaking and Void Exploring are often regarded as two completely different glitches because of the fact that graphics and collision data has to be activated after exploring the void for a player to access an area as it would appear in normal gameplay. Void Exploring by itself (if performed wisely) is safer than a complete tweaking run, as it is easier to ensure that the player does not trap his or herself so that he or she cannot escape and it is easier to ensure that the player does not save in an invalid map location or a map with no location data (such as the tentative Jubilife Gym), thus crashing the game with a black screen. When Void Exploring, crashes from invalid map data, called BSoDs (Black Screen of Death) are still possible by testing and using the Explorer Kit (this is not to be confused with a Blackout or Freeze, as a Freeze occurs when an unexecutable script is attempted to be executed, and a Blackout is a temporary absence of graphical data, caused by any number of things). If any flag is activated in-game via Tweaking, for example by first recieving the Pal Pad in a downstairs Pokémon Center area, this will also affect the player's relative map location in some way.

Requirements for the Tweaking glitch (presuming that the player wants to catch Darkrai or Shaymin)

A bicycle in order to tweak

Having gone underground at least once.

Use the Step Counter application for the Pokétch (highly recommended)

Any Pokémon with a move such as Fly, Dig or Teleport, because the player can become trapped unless they have already activated the event referring to that Pokémon (Darkrai/Shaymin), enter a warp, or save in Fake-Sinnoh.

Note: If you are in the void and want to save, but you can't open the menu, don't use the Explorer Kit. If you can't open the menu, it's probably a bad idea to save.